/**
 * Copyright (c) 2018 Ujued and APISP.NET. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package cc.witalk;

import java.util.Optional;

import net.apisp.quick.core.http.ExceptionHandler;
import net.apisp.quick.core.http.HttpRequest;
import net.apisp.quick.core.http.HttpResponse;
import net.apisp.quick.ioc.annotation.Autowired;
import net.apisp.quick.util.Quicks;
import net.apisp.quick.util.Strings;

/**
 * @author Ujued
 * @date 2018-06-26 17:34:27
 */
public class ExceptionHandlerImpl implements ExceptionHandler {

    @Autowired("charset")
    private String charset;

    public void handle(HttpRequest req, HttpResponse resp, Throwable e) {
        if (e instanceof BusinessException) {
            resp.body(Strings.bytes(Quicks.message(500, e.toString(), null, null).toString(), charset));
        } else {
            resp.body(Optional.ofNullable(e.getMessage()).orElse("null").getBytes());
            e.printStackTrace();
        }
    }

}
